Home / 75,402,301.20-113,103,451.80-37,138,549.20

Finding the Fourth Proportional to 75,402,301.20, 113,103,451.80 and 37,138,549.20

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Solution

The fourth proportional to 75,402,301.20, 113,103,451.80 and 37,138,549.20 is: 55,707,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,402,301.20 : 113,103,451.80 = 37,138,549.20 : x
  2. Step 2: Convert to fraction form
    75,402,301.20/113,103,451.80 = 37,138,549.20/x
  3. Step 3: Cross multiply
    75,402,301.20x = 113,103,451.80 × 37,138,549.20
  4. Step 4: Simplify right side
    75,402,301.20x = 4,200,498,109,364,129
  5. Step 5: Solve for x
    x = 4,200,498,109,364,129/75,402,301.20
  6. Step 6: Final answer
    x = 55,707,823.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.